O/E Converter-Graviton

O/E Converter

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SPS-2

- ** Japanese version **
Visible wavelength O/E
(Max NA = 0.2, 0.25)
Visible wavelength O/E
(Max NA = 0.5)
- SPA-2_650nm
- SPA-3
- SPA-4
Visible wavelength O/E
(Hi-Sensitivity)
- SPS-1
- SPS-2
NIR wavelength O/E
- LPD-1
- LPD-2
- LPS-1
- LPS-2

*SPS-2_10KV/W & SPS-2_100KV/W
(Max Core = 1mm, Max NA = 0.5, 10KV/W or 100KV/W, DC to 100MHz or 15MHz)

Features:
* Super high sensitivity: 10KV/W and 100KV/W
* A Silicon PIN photodetector with a ball lens and Graviton designed TIA circuitry
* Large detection area: max. core: φ1.0mm and max. NA 0.5
* Wide range of receivable wavelength: 400nm to 1,000nm
* Convertible Frequency Bandwidth: DC to 100MHz / DC to 15MHz
* Low output offset voltage: 0.5mV or less
* Compact: 103mm x 44mm x 21mm
* Lightweight: 130g
* Equips a silicon PIN Photodiode configured with unique lens system
* Reasonable price:JPY 290,000 for direct sales
　(Excluded tax and shipping cost)

[1] Specifications
[2] Lens system
[3] Spectral Sensitivity (by calculation)
[4] Step Response and Frequency Characteristics (Example)
[5] Responding characteristics of the PD in a range of convertible frequency bandwidth
[6] options

[1] Specifications

Item \ Model Name	SPS-2_10KV/W	SPS-2_100KV/W
Reference Wavelength	850nm	850nm
Receivable Wavelength Range	400 to 1000nm	400 to 1000nm
Maximum Core Diameter	φ1.0mm	φ1.0mm
Acceptable NA. Range	0.5 or less	0.5 or less
Optical Input Connector (Standard)	FC receptacle	FC receptacle
Photodetector Type	Si PIN PD	Si PIN PD
Active diameter of Photodetector	φ0.8mm	φ0.8mm
Sensitivity (Conversion Gain at Reference Wavelength)	10,000V/W	100,000V/W
Output Saturation Optical Input Power (Reference Wavelength)	-8.2dBm	-18.2dBm
Convertible Frequency Bandwidth	DC to 100MHz	DC to 15MHz
Output Noise Level	1.0mVrms or less	1.0mVrms or less
Noise Equivalent Optical Power at Reference Wavelength	-40dBm or less	-50dBm or less
Electrical Output Connector (Standard)	BNC plug	BNC plug
Output Impedance	50 ohms	50 ohms
Output Offset Voltage	0.5mV or less	0.5mV or less
DC Power Connector	LEMO 0S-4P	LEMO 0S-4P
Supply Voltage	DC±15V	DC±15V
Supply Current	+80mA/-50mA	+80mA/-50mA
Dimensions [mm]	103 x 44 x 21	103 x 44 x 21
Weight	Approx. 130g	Approx. 130g

[2] Lens System

SPS-2

Maximum Acceptable Diameter = 1.0mm
Maximum Acceptable NA = 0.5
Diameter of PD = 0.8mm
Optical Magnification = 0.8

[3] Spectral Sensitivity (by calculation)

SPS-2_10KV/W

Reference wavelength: 850nm

Maximum sensitivity: at 770nm

Sensitivities vs wavelength

Sensitivity	Wavelength
2,400 V/W	400nm
4,400 V/W	500nm
6,800 V/W	600nm
9,000 V/W	700nm
10,200 V/W	800nm
8,700 V/W	900nm

SPS-2_100KV/W

Reference wavelength: 850nm

Maximum sensitivity: at 770nm

Sensitivities vs wavelength

Sensitivity	Wavelength
24,300 V/W	400nm
43,900 V/W	500nm
68,000 V/W	600nm
89,500 V/W	700nm
101,800 V/W	800nm
87,300 V/W	900nm

[4] Step Response and Frequency Characteristics (Example)

SPS-2_10KV/W



Step Response of SPS-2_10KV/W Rise time: 3.57ns, Overshoot : 3.06%	Frequency Characteristics of SPS-2_10KV/W -3dB (Electrical) Frequency : Approx. 100MHz

O/E Converter

*SPS-2_10KV/W & SPS-2_100KV/W (Max Core = 1mm, Max NA = 0.5, 10KV/W or 100KV/W, DC to 100MHz or 15MHz)